Quadratic Find Vertex

What is vertex of the quadratic function x²+4x-21?

• (4, -21)

• (-2,-25)

• (2, -21)

• (4, -25)

The U-shaped graph of a quadratic equation is called a ________.

• curve

• parabola

• linear equation

• vertex

The highest or lowest point on a quadratic is called the...

• Max

• Vertex

• Axis of Symmetry

• Intercept

The vertex of this quadratic is...

• (1,16)

• (-3,0)

• (5,0)

• (0,15)

Does y = -4x² have a maximum or minimum value?

• maximum

• minimum

What is the axis of symmetry?

• the slope of the graph

• the dividing line for a parabola

• a way to spin my pencil

• the x-axis

Does the equation have a max or min?
y = 2x² + 7x + 5

• max

• min

The line that goes through the vertex of a parabola is called the...

• Vertex

• Axis of Symmetry

• x-intercept

• y-intercept

Is this a max or min?

• max

• min

• cannot be determined

Find the axis of symmetry for
f(x) = x²- 8x + 15.

• x = -4

• x = 4

• y = 4

• y = -4